What do we know about the mysterious American military base
Military Base: This is where possibly the most controversial American military base is located.
Mystery: The American government denied the existence of this military base for decades, and it didn't even appear on maps.
Area 51: But Area 51 does exist, and theories abound as to why the base was kept secret for so long.
Explanation: Many believe that the main explanation for this is also one of humanity's great unanswered questions.
Are we alone: The mystery goes even further: if there is alien life, are they among us.
Stories: Area 51 became the subject of lots of alien theories.
Roswell Incident: As told by HUFFPOST, the incident was reported in 1947 by a rancher.
Roswell Incident: According to the rancher, he found wreckage of something he could not identify.
Roswell Incident: But what does the Roswell Incident - one of the most famous alien conspiracy theories.
Aliens: According to the Washington Post, one of the theories about Area 51 is that the location is used by the government to store.